Definition of Myth: “philosophical and theological elaboration of the primal myth of creation within a religious community. The term myth here refers to the imaginative expression in narrative form of what is experienced or apprehended as basic reality (see also myth). The term creation refers to the beginning of things, whether by the will and act of a transcendent being, by emanation from some ultimate source, or in any other way.”
 

Source: "creation myth." Encyclopedia Britannica. 2009. Encyclopedia Britannica Online School Edition. 28  Apr.  2009 <http://school.eb.com/eb/article-9109402>.